????:1??????????:?????????

2?????92?95?98?

3?????

4???????

5????????

???????????12?????????????????2??????????????????? (???? ?)11???????????,?????????????,???

????????????????,????11?????,??????????,11??,????30??“U”??,????,???????????3%,??20%,??????????????60%?????11??????????,30??,????1-10?????????????3.91???????

?????????????????2???????????????,11??,??100????,?????????15%,????????????10?????20??????????????11.7%,?????????26.3%?

??????????????,11??,???18763?????????????????,?20????????????????????,???????1.5??????????????“???????????”,???1.5???????,???????????????????????????,????????????????????11?????????;??11????????50%?

???????,11?,????,???????????????????,?????????????????7?????????,??,????0.36%,?????2.40%?

?????????,11????,??????????????300?23.4%,???????????????????????????????????????????

??????,??,11???????????3633.5?,???????????????16.6%,????,??????9????44.3%?????,????????????????????11??????

??9???????????????????????,10?????????????“???”,11?????“????????????????”?????????,?????100?,?????

??????????????????,????“???????????????,????????,??????????”?????,??????????????????????“??????????????”????(?????????) ???:?????